public void WhenApplicationWithErrorsThenExceptionsListReportsFaultyRules()
{
var testContext = new TestContext();
var pipeline = new FaultTolerantPromotionPipeline();
var ruleA = new PromotionRuleA();
var ruleB = new FaultyPromotionRule();
var ruleC = new PromotionRuleA();
var ruleD = new FaultyPromotionRule();
pipeline.AddRule(ruleA);
pipeline.AddRule(ruleB);
pipeline.AddRule(ruleC);
pipeline.AddRule(ruleD);
ICart cart = pipeline.Apply(testContext.CartFactory.Create());
Assert.NotNull(cart);
Assert.NotEmpty(pipeline.LastApplyExceptions);
Assert.Collection(pipeline.LastApplyExceptions,
errorEntry =>
{
Assert.True((object)errorEntry.Item1 == (object)ruleB);
Assert.IsType <TestException>(errorEntry.Item2);
},
errorEntry =>
{
Assert.True((object)errorEntry.Item1 == (object)ruleD);
Assert.IsType <TestException>(errorEntry.Item2);
});
}
public void RulesAreExecutedInOrder()
{
var testContext = new TestContext();
var pipeline = new TestPromotionPipeline();
var ruleA = new PromotionRuleA();
var ruleB = new PromotionRuleB();
pipeline.AddRule(ruleA);
pipeline.AddRule(ruleB);
pipeline.Apply(testContext.CartFactory.Create());
Assert.True(pipeline.RunHistory.Any());
Assert.Equal(2, pipeline.RunHistory.Count);
Assert.True((object)pipeline.RunHistory[0] == (object)ruleA);
Assert.True((object)pipeline.RunHistory[1] == (object)ruleB);
}
